Suspension means job



Sept. 25 1923.

E. F. HATHAWAY SUSPENSION MEANS FOR TUBE FRAMES Original Filed May 24,1922 Patented Sept. V275y 1923.

1,469,185 PATENT ori-ucr..

-rf'ineea r. HASWAY, or WELLESLEY, MASSACHUSETTS, AssiGNon To SHAWMUTnnernnnnne COMPANY, or reosrioN, MAs'sAeH'sETfr's, A coRPo-RATION or .aMASSAUHSETTS.

SUSPENSION MEAS TB FRAMES.

originan appncation filed May 24, 1922, serial No. 563,243. 'Divided andthis application ined nay 4,

1923. seriainoi 636,606.

V fri/"ZZ to/1.0m it may concern.' Y Be it known that I, EDGAR F.HATHAWAY,

if' fa citizen of the United States and resident e922, 568,243, and isintended to cover one of 'itlie several formsfof tube frame constructionidisclosed in ythat application and particularly illustrated in Figures7 to 9 of the drawings forming part thereof.

As tube frames are suspended in large numbers from traveling carrierchains which carry them in a predetermined order to a p `on above theloom to be engaged by 251tl2e transfer mechanism by which they arecaused to deliver their tufts to. the fabric being woven, they aresubjected to numerous severe shocks and strains in the course oftheirtravrel to delivering position. '-30 Since it is necessary that theindividual tuft (tubes shall pass between the appropriate warp threadswhen delivering their tuft end, it is 'important that there should be nobending7 breakage `or displacement of the parts in order that the tubeAmay be accurately jgaged for proper positioning.

rllhe present invention is intended to more ftully satisfy therequirements by providing a constructionwhich affords a verystiif7 rigidand permanent. arrangement of suspension means adapted to engage thecarrier chains and constructed to al'ord means for accurately andreliably gaging or positioning the tube frame in relation to thetransfer mechanism fand capable of sustaining the repeatedshocks-towhich they frames are subjected in service.

In the accomplishing of the above objects I have provided an improvedmeans for rigidly and durably attaching the suspension hangers to thecarrier bar of the tube frame, and have also made provision forpreventing any angular displacement or transverse cation filed by me onthe Qelth day of May,y

displacement of these two members and have provided an improvedconstruction andarrangement of chain-engaging hook that perm'itsaccurate and uniform 'gaging of the 'transfer devices against therelatively stationary or fixed portions of the suspension means. Afurther feature 'ef the improyenient consists in the provision of meansfor releasably locking the chain-engaging suspension hookin its outwardor normal chainengaging position while permitting the automatic releaseof said lockingl device in 'order to permit the hook to be disengagedfrom the chain for transfer to tuft delivery "position in the loom. v i

These andI other features of the invention will be particularlyexplained "in the following specification and will be defined in theclaims hereto annexed. n

In the accompanying drawings I have shown a form of construction andarrangement illustrative of the principles of this invention, in which:

Figure l is an elevation of 'one end of a tube Yframe and spoolchietlyin central section showing the suspension hook moved toinoperative or chain-releasing position to permit disengagement from orinsertion inte the carrier chain of the tube frame hangen Figure 2 is asimilar" view omitting the spool showing the suspension hooi; releasablylocked in normal chain=engaging posi; tion. f

Figure 3 is an end elevation of the suspension means as viewed fromk theoutside.

Figure 4 is a similar elevation viewed from the opposite direction andshowing the carrier bar in cross section.

In thepractice of this invention7 according to the form illustrated inthe drawings, I employ a longitudinal tubular carrier bar a, ofrectangular cross section and across the end of this bar is secured a'vertical hanger 2l of rigid construction suiiiciently strong to resistbending or distortion under the strains of service, and provided at itsupper end with a bearing boss or er to receive the journal of the usualyarn spool (l. The rigid hanger element near its upper end atapproximately the level of the bearing boss 7 is offset laterally andturned upward to form a link-penetrating or extension tongue 6, whichpasses through (ill face of the fixed hanger somewhat below the level ofits bearing lug and outwardly offset Chainengaging prong. Thisengagement or contact obtains also when the tube frame is 'beingrestored to the carrier chain after the tuft feeding operation and thusinsures reliable positioning of the tube frame for once more properlyregistering with and penetrating the opening in its suspension chainlink.

The U--shaped attaching bracket secured to the inside face of the hangerby projecting across the slot formed for the reception of the swinginghook arm serves to re-enforce the hanger at this point besidessustaining the annular and transverse strains upon the carrier barconnection.

lhat I claim is:

l. In a tube frame for weaving, the combination of a carrier bar, achain-engaging vertical suspension hanger rigidly secured to the end ofsaid bar, a cooperating` hook arm pivotally mounted on said hanger andyieldingly pressed outwardly beyond said hanger to engage a carrierchain, said hanger and hook being arranged to permit the lower portionof the hook to lie substantially Hush with the outside face of theadjacent portion of the hanger, substantially as described.

2. In a tube frame for weaving, the com bination of a carrier bar, avertical suspension hanger rigidly secured to the end of the carrier barand provided with a spool journal-bearing at its upper end, said hangerbeing provided with an interiorly arranged recess, a. chain-engaginghook arm fulcrumed about a pivotal axis lying inside the plane of theoutside face of the adjacent portion of the hanger and arranged to bepressed inwardly by transfer mechanism toward the hanger againstyielding resistance until the hook arm lies substantially flush with theadjacent face of the hanger whereby the transfer mechanism is allowed toagainst the face of said hanger when disengaging the hook from thechain, substantially as described.

In a tube frame for weaving.v the combination with a longitudinalcarrier bar, of'

a spool supporting suspension hanger comprising a bracket rigidlysecured to the end of the carrier bar to project vertically therefrom,and a. co-acting chain-engaging hook arm mounted on said bracket toswing outwardly therefrom under spring tension to releasably enga-ge acarrier chain, .said bracket being provided with a recess arranged'toreceive the opposed upwardly-ex-V tending portion of the hook arm whenthe Vla ter is pressed inwardly by the transfer mechanism to release thehook-arm from engagement with said chain, substantially as described Ina tube frame for weaving, the combination of a vertical hanger rigidlysecured to the end of the carrier bar, a cooperating chain-engaging hookarm mounted to lie outside of the vertical hanger when engaged with thechain and to be pressed inwardly, to lie partly in a longitudinal recessin the hanger when disengaged from the chain by transfer mechanism,substantially as described. y

5. In a tube frame for weaving, the combination of a vertical hangerrigidly secured to the end of the carrier bar, a cooperatingchain-engaging hook arm mounted to lie outside of the vertical hangerwhen engaged with the chain and to be pressed into flush relationshipwith the hanger when disengaged from the chain by transfer mechanism,and means for releasably locking the hook arm against accidentaldisengagement with the chain, substantially as described.

6. In a tube frame for weaving, the combination of a carrier bar, avertical hanger rigidly secured to the end thereof, a chainengaging hookfulcrumed on the hanger and normally pressed outward into suspensionengagement with the chain, and a lookin member arranged to automaticallyhold the hook in its outward position, said locking member beingreleasable from locking position by the tube-frame transferringmechanism when disengaging the hook from its carrier chain,substantially as described.

7. In a tube frame for weaving, the combination of a carrier bar, avertical hanger arm secured thereto, a rigid chain-engaging hook armpivotally mounted in the vertical hanger arm and normally pressedoutwardly from the outside face of said hanger, and a y spring latchmounted on the hanger arm in position to releasably retain the hook armagainst inward displacement, substantially as described.

8. A suspension means for a tube frame embracing a rigid arm adapted tobe secured to the carrier bar of the frame, a cooperating chain-engaginghook and a hook-retaining latch, `both mounted on said arm in positionto be released by the inward movement of the mechanism that transfersthe tube frame from its carrier chain, substantially as described.

9. In a tube frame for weaving, the coinbination of a hollow carrierbar, a suspension hanger, a chain-engaging hook fulcrumed in the hanger,means for rigidly securing the hanger and the bar together, said meansembracing a U-shaped bracket Inenr ber secured to the inner face of saidhanger with oppositely disposed parallel wings itting snugly into thehollow end of the bar and forming torsion-preventing engagement with theside and bottom walls of the carrier bar, and fastening devices forsecuring the win gs to the carrier bar, substantially as described.

'10. Iii, ai tube fix iiiefoivvezivin'g, thee'ni` hinibi'o'n 'f a'ln'gitudinal Vcarriei bar, a hangen aim 'nie'd with zin interior slot,am ehiinfngaging honk pivoted t0 swing into said sieb, ind 'ineensVfoi'- zittaching said shaped h'zeket Secured l to the hanger vtobrit-ige @eresia Seid Slot" and having opposite parallel attachingineens arranged and pro'- 10 4pctiened t'O form Ripped engagement With yfastening

